Query builder help for si_mail_addresses

Could someone tell me how to query this field circled in the screenshot in query builder? I can’t seem to specify the si_mail_addresses field to query just that field. I know how to query si_destinations, but I’d like to specify this field specifically:

Try SI_DESTINATIONS.SI_DEST_SCHEDULEOPTIONS.SI_MAIL_ADDRESSES. That may not be completely correct but the usual syntax is to use a decimal point to drill down. Or it may at least get you closer.

John,
Thanks for the suggestion, but that syntax is incorrect.